Why this code doesnt workltscript type34textjavascript34gt function SetName var label documentgetElementById34ltLabel24C

This work fineltinput type34hidden34 value3434 name34clientScreenWidth34 id34clientScreenWidth34 gtltinput type34hidden34 value3434 name34clientScreenHeight34 id34clientScreenHeight34 gtltscript src34Scriptsjquery341minjs34gtltscriptgtltscriptgt documentreadyfunction 34clientScreenWidth34valwindowwidth 34clientScreenHeight34valwindowheight ltscriptgt Dim width As String HttpContextCurrentRequestParams34clientScreenWidth34 Dim height As String HttpContextCurrentRequestParams34clientScreenHeight34

ASP.Net: Access client Screen Width and Height from code behind (Server Side)

mahjoubi

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User: mahjoubi
Posted: on Mar 07, 2023 06:54 AM
Forum: ASP.Net Web Forms
Answer: 1
Views: 1723

Why this code doesn't work.

<script type="text/javascript">
    function SetName() {
        var label = document.getElementById("<%=Label24.ClientID %>");
 
        //Set the value of Label.
        label.innerHTML = screen.width;
 
        //Set the value of Label in Hidden Field.
        document.getElementById("<%=Label26.ClientID %>").value = label.innerHTML;
    }
</script>

<asp:Button ID="Button9" runat="server" Text="Creation" OnClientClick="SetName();" />

Label24.Text = Request.Form(Label26.UniqueID)
Dim wid = Label24.Text
mpe.X = wid - (wid / 4)
mpe.Show()

Did i miss something?

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mahjoubi

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ANSWER
User: mahjoubi
Replied: on Mar 10, 2023 02:40 AM
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This work fine:

<input type="hidden" value="" name="clientScreenWidth" id="clientScreenWidth" />
<input type="hidden" value="" name="clientScreenHeight" id="clientScreenHeight" />
<script src="Scripts/jquery-3.4.1.min.js"></script>
<script>
    $(document).ready(function () {
        $("#clientScreenWidth").val($(window).width());      
        $("#clientScreenHeight").val($(window).height());      
    });
</script>

 Dim width As String = HttpContext.Current.Request.Params("clientScreenWidth")
 Dim height As String = HttpContext.Current.Request.Params("clientScreenHeight")

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ASP.Net: Access client Screen Width and Height from code behind (Server Side)

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